AI Can Change The World And Still Be A Bubble

MoneyMarketsAI Can Change The World And Still Be A BubbleByJames Broughel,Contributor.Forbes contributors publish independent expert analyses and insights. James Broughel is an economist focused on the economics of regulation.Follow AuthorMay 26, 2026, 06:00am EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.AI may be a general-purpose technology, but investors can still overpay for it.gettyWall Street has spent the past year pricing in an artificial-intelligence revolution. Now investors are starting to question whether the boom has gotten ahead of reality. Calling the AI boom a bubble may sound like one means artificial intelligence is fake or doomed to fail. But it actually means something far narrower. The price of AI-related assets may have climbed higher than the profits those assets can reasonably be expected to justify. On that definition, the evidence now points toward a bubble in AI investment.The technology will still matter. Some people will get rich from AI. Consumers will get useful services, scientists will get better research tools, and companies will find more efficient ways to produce goods and services. But none of that responds directly to the valuation question. A great invention can still be a bad investment if buyers pay too much for a claim on its future profits.A Revolution Can Still Be OverpricedHistory is full of inventions that fit this pattern. Railroads transformed America, but many railroad investors lost money after the railroad bubble burst in the 1890s. The internet changed the nature of commerce, but most dot-com shares bought near the late-1990s peak were terrible investments. In other words, a technology can be useful, and even transformative, while the stocks and private-company valuations attached to it are too expensive.That distinction is important because AI optimists often answer valuation concerns by pointing to what the technology can do. The demos a...